Schamroth, L Reciprocal rhythm, the Wolff-Parkinson-White syndrome, and unidirectional block. [electronic resource] - British heart journal Sep 1969 - 616-22 p. digital Publication Type: Journal Article ISSN: 0007-0769 Standard No.: 10.1136/hrt.31.5.616 doi Subjects--Topical Terms: Arrhythmias, Cardiac--complicationsElectrocardiographyHeart Conduction System--physiopathologyHumansMaleMiddle AgedWolff-Parkinson-White Syndrome--complications